The following is a cause of sleep apnea.
The obstructive sleep apnea (OSA), the most common form, occurs when the air has trouble reaching the lungs because the airways are obstructed. OSA is more common in males and overweight persons, especially those who sleep on their backs. In people of normal weight who have apnea, it’s often an abnormality of the lower face, especially a small chin, an overbite (overlap) or a large tongue. Characteristically, the AOS occurs in three phases:
* initially, the airway is partially blocked because the soft tissue at the back of the throat relaxes and starts to close up on itself, producing very loud snoring.
* Second, the airway is completely blocked and breathing stops for at least 10 seconds, sometimes up to two minutes.
* Finally, the person wakes up briefly (she rarely remembers) and struggling to breathe, snorting or gasping. After regaining her breath, she falls back asleep and the cycle begins again.
The central apnea, a rare form of sleep apnea, occurs when the brain fails to send signals to the chest to breathe properly during sleep. These people are waking up repeatedly during the night to catch their breath.
Sleep apnea associated mixed, as its name indicates the two previous forms of apnea. It manifests itself first by a central apnea, which then turns into obstructive sleep apnea.
Symptoms and Complications
Unfortunately, most people that make sleep apnea are unaware of their condition. It is believed that more than 10 million Americans suffer from sleep apnea are undiagnosed. The American Sleep Apnea Foundation has developed a simple questionnaire to help a person to determine if she suffers from sleep apnea. If you answer “yes” to any of these questions, consult your doctor:
* Do you snore very often?
* Do you feel tired and groggy on awakening?
* Are you often sleepy during the day?
* Do you suffer from obesity?
* Have you ever been told that you choke, you breathe hard or you hold your breath when you sleep? Ask your partner.
Daytime sleepiness is probably the most obvious symptom to patients because they are struggling to stay awake, concentrate and work. Sometimes people lose their jobs because they feel sleepy at work. This is even more serious if drowsiness occurs when a person driving or operating machinery. Studies have shown that the accident rate is higher than average in people who suffer from sleep apnea. It would be better if they avoid taking the wheel when they feel sleepy, or to stop driving completely until the apnea is not controlled.
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